package com.itheima.service;

import com.itheima.entity.PageResult;
import com.itheima.entity.QueryPageBean;
import com.itheima.pojo.User;

import java.util.List;

public interface UserService {
    public User findByUsername(String username);

    void add(User user);

    PageResult pageQuery(QueryPageBean queryPageBean);

    List<User> findAll();
}
